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High speed data collection with Blackfin DSP
2007 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report covers a master thesis in embedded systems, the goal of which was to investigate the high speed data collection capabilities with a Blackfin DSP. Basic theory about sampling and noise is covered briefly from a practical point of view. The theory is intended to be useful for those diving into a ADC datasheet for the first time. After an investigation of the delimiting factors, suitable components were selected and a prototype ADC PCB was designed from scratch. The goal is to design a general low noise data collecting unit compatible with the Blackfin DSP. Finally simple DSP software is designed to prove that DSP can handle such a high datastream. Testing the ADC card with the target Blackfin platform indicates that the analog parts indeed works. An analog bandwidth of over 10MHz is measured at a resolution exceeding 10 bits with respect to noise. The digital parts intended to interleave the two channels digital streams into one Blackfin unit did not work as intended. Only one channel is supported as of now. The report contains suggestions for future work in this area.

Place, publisher, year, edition, pages
Keyword [en]
Technology, Blackfin, Analog, Digital, Sampling, Conversion, Signal, Processing, Oscilloscope, Embedded, Linux
Keyword [sv]
URN: urn:nbn:se:ltu:diva-54152ISRN: LTU-EX--07/238--SELocal ID: b2216842-4a15-4487-ac72-540efbe5d8edOAI: diva2:1027532
Subject / course
Student thesis, at least 30 credits
Educational program
Electrical Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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